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[tor-commits] [bridgedb/develop] Fix hex conversion



commit fd4b1bbaeea1791cf69bbbfdd89ce7bc6e111088
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Fri Jan 17 12:47:39 2020 -0800

    Fix hex conversion
    
    Replacing hex encoding with a python 3 equivalent...
    
      Python 2:
    
        >>> 'hello'.encode('hex')
        '68656c6c6f'
    
      Python 3:
    
        >>> import binascii
        >>> binascii.hexlify('hello'.encode('utf-8'))
        b'68656c6c6f'
    
    This fixes...
    
      Traceback (most recent call last):
        File "/home/atagar/Desktop/tor/bridgedb/bridgedb/test/test_https_distributor.py", line 154, in test_HTTPSDistributor_prepopulateRings_without_proxies
          dist.prepopulateRings()
        File "/home/atagar/Desktop/tor/bridgedb/bridgedb/distributors/https/distributor.py", line 254, in prepopulateRings
          filters = self._buildHashringFilters([filterFn,], subring)
        File "/home/atagar/Desktop/tor/bridgedb/bridgedb/distributors/https/distributor.py", line 281, in _buildHashringFilters
          f = bySubring(self.hashring.hmac, subring, self.totalSubrings)
        File "/home/atagar/Desktop/tor/bridgedb/bridgedb/filters.py", line 46, in bySubring
          name = "-".join([str(hmac("")[:8]).encode('hex'),
      builtins.LookupError: 'hex' is not a text encoding; use codecs.encode() to handle arbitrary codecs
    
    Test results changed as follows...
    
      before: FAILED (skips=114, failures=14, errors=149, successes=708)
      after:  FAILED (skips=114, failures=14, errors=143, successes=714)
---
 bridgedb/filters.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bridgedb/filters.py b/bridgedb/filters.py
index 78cb73e..3ea0723 100644
--- a/bridgedb/filters.py
+++ b/bridgedb/filters.py
@@ -13,6 +13,7 @@
 
 """Functions for filtering :class:`Bridges <bridgedb.bridges.Bridge>`."""
 
+import binascii
 import logging
 
 from ipaddr import IPv4Address
@@ -43,7 +44,7 @@ def bySubring(hmac, assigned, total):
     logging.debug(("Creating a filter for assigning bridges to subhashring "
                    "%s-of-%s...") % (assigned, total))
 
-    name = "-".join([str(hmac("")[:8]).encode('hex'),
+    name = "-".join([binascii.hexlify(str(hmac("")[:8]).encode('utf-8')).decode('utf-8'),
                      str(assigned), "of", str(total)])
     try:
         return _cache[name]



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